205351463651 has 2 divisors, whose sum is σ = 205351463652. Its totient is φ = 205351463650.

The previous prime is 205351463633. The next prime is 205351463741. The reversal of 205351463651 is 156364153502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205351463651 - 2¹⁴ = 205351447267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205351463599 and 205351463608.

It is not a weakly prime, because it can be changed into another prime (205351463621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102675731825 + 102675731826.

It is an arithmetic number, because the mean of its divisors is an integer number (102675731826).

Almost surely, 2^205351463651 is an apocalyptic number.

205351463651 is a deficient number, since it is larger than the sum of its proper divisors (1).

205351463651 is an equidigital number, since it uses as much as digits as its factorization.

205351463651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 205351463651 in words is "two hundred five billion, three hundred fifty-one million, four hundred sixty-three thousand, six hundred fifty-one".